Carlson Companies CEO Marilyn Carlson Nelson is stepping down

, as soon as the board selects a new CEO, but will continue to serve as chair of the company's board of directors, according to Modern Agent. The publication said the company wants to name a new CEO by February. Founded by Carlson Nelson's late father Curt Carlson, Carlson Companies is a $37 billion business that includes such travel, hospitality and marketing brands as Carlson Wagonlit Travel (in which it holds a 55 percent stake), Radisson Hotels & Resorts and Carlson Marketing.